39986101 has 2 divisors, whose sum is σ = 39986102. Its totient is φ = 39986100.

The previous prime is 39986083. The next prime is 39986113. The reversal of 39986101 is 10168993.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34928100 + 5058001 = 5910^2 + 2249^2 .

It is an emirp because it is prime and its reverse (10168993) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39986101 - 2¹¹ = 39984053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39986131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19993050 + 19993051.

It is an arithmetic number, because the mean of its divisors is an integer number (19993051).

Almost surely, 2^39986101 is an apocalyptic number.

It is an amenable number.

39986101 is a deficient number, since it is larger than the sum of its proper divisors (1).

39986101 is an equidigital number, since it uses as much as digits as its factorization.

39986101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 39986101 is about 6323.4564124377. The cubic root of 39986101 is about 341.9555731536.

The spelling of 39986101 in words is "thirty-nine million, nine hundred eighty-six thousand, one hundred one".